When you deploy services in the cloud, you can manually import image files of your own servers or use Elastic Compute Service (ECS) images. This topic describes the use scenarios and operation procedures of these two methods.
Prerequisites
- You fully understand the limits and requirements of images. For more information, see Instructions for importing images, Customize Linux images and Convert the image file format.
- Object Storage Service (OSS) is activated. For more information, see Activate OSS.
- If you are using a Resource Access Management (RAM) user, the AliyunECSImageImportDefaultRole role is assigned to the RAM user by the corresponding Alibaba Cloud account.
Background information
Feature | Scenario | References |
---|---|---|
Auto-import | Migrate one or more servers such as servers in Internet data centers (IDCs), virtual machines, or cloud servers from other cloud platforms to Alibaba Cloud. | Auto-import |
Manual import | The required operating system is unavailable in Alibaba Cloud. Examples:
The manual import feature allows you to select a license type to activate the source operating system and reduce your image costs in the cloud. For more information about license types, see the table that describes parameters for image import in the following section. |
Manual import |
Auto-import
Perform the following operations to use Server Migration Center (SMC) to generate an ECS image for your server.
Manual import
Perform the following operations to manually import an on-premises image to Alibaba Cloud ECS.